Testing Bases

The following European standard is basis for the award of the mark beside the "CEN- certification scheme for thermostatic radiator valves":

  • DIN EN 215 "Thermostatic radiator valves - Requirements and test methods"

Testing and Assessment

Only companies which confirmed the accordance of the standard through a passed test of a Testing Laboraotry, accredited and recognized by the European (CCC3/KEYMARK)-Certification Committee and the following neutral assessment are only allowed to use the KEYMARK.

If a product achieved a positive assessment result, the empowered Certification Body will issue a KEYMARK-certificate, which is valid for 5 years..

All certificate holders are published on our website and can be looked up under "Certificate Holder". Supplier, installers and consumer use this service for the information concerning certified products.

Third party surveillance

The third party surveillance takes place by a testing of types every year as well as an anual control test inclusive the inspection of the Factory Production Control.